background

(UA) United Airlines 5578 On-Time Performance Rating

Date Range:

15-Jan-2026 to 15-Mar-2026

(PSC) Tri-Cities Airport

Pasco, WA, US

(SFO) San Francisco International Airport

San Francisco, CA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
48
89%
Late
1
2%
Very Late
2
4%
Excessive
3
6%
Cancelled
0
0%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
54
Total Delays ( > 1 min )
10
Codeshares
54
Average Delay (min.)
38.9
Standard Deviation
51.2
Min
0
Max
176

UA 5578 On-Time Performance Details

Overall Rating
3.3 of 5
Average
Percentage On-Time 89%
Average Delay Time 38.9 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 3.3 shows that this flight has on-time performance characteristics better than 65% of all other flights in the FlightStats database.
On-Time Performance Rating
4.9 of 5
Very Good
Percentage On-Time 89%
This flight has an on-time performance of 89%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 99% of other flights.
Delay Performance
1.7 of 5
Average
Average Delay Time 38.9 min
This flight has an average delay of 38.9 minutes with a standard deviation of 51.2 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 34% of other flights.